At head of title: Akademii͡a nauk SSSR. Otdelenie geologo-geograficheskikh nauk. Laboratorii͡a vulkanologii. Akademii͡a nauk Armi͡anskoĭ SSR. Institut...
At head of title: Akademii͡a nauk SSSR. Otdelenie geologo-geograficheskikh nauk. Laboratorii͡a vulkanologii. Akademii͡a nauk Armi͡anskoĭ SSR. Institut geologicheskikh nauk.